forked from mirrors/0ad
leper
c73c9370ee
Updates to upstream changeset f71a8e5e84bffadd61ac93768b332262989844fd, with some additions that will be submitted upstream (without the addition of precompiled.h and win32 dirent). This was SVN commit r16462.
95 lines
4.8 KiB
C++
95 lines
4.8 KiB
C++
// tinygettext - A gettext replacement that works directly on .po files
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// Copyright (C) 2006 Ingo Ruhnke <grumbel@gmx.de>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include "precompiled.h"
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#include "tinygettext/plural_forms.hpp"
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#include <unordered_map>
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namespace tinygettext {
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/**
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* Plural functions are used to select a string that matches a given
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* count. \a n is the count and the return value is the string index
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* used in the .po file, for example:
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*
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* msgstr[0] = "You got %d error";
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* msgstr[1] = "You got %d errors";
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* ^-- return value of plural function
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*/
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unsigned int plural1(int ) { return 0; }
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unsigned int plural2_1(int n) { return (n != 1); }
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unsigned int plural2_2(int n) { return (n > 1); }
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unsigned int plural2_mk(int n) { return n==1 || n%10==1 ? 0 : 1; }
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unsigned int plural3_lv(int n) { return static_cast<unsigned int>(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : 2); }
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unsigned int plural3_ga(int n) { return static_cast<unsigned int>(n==1 ? 0 : n==2 ? 1 : 2); }
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unsigned int plural3_lt(int n) { return static_cast<unsigned int>(n%10==1 && n%100!=11 ? 0 : n%10>=2 && (n%100<10 || n%100>=20) ? 1 : 2); }
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unsigned int plural3_1(int n) { return static_cast<unsigned int>(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2); }
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unsigned int plural3_sk(int n) { return static_cast<unsigned int>( (n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2 ); }
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unsigned int plural3_pl(int n) { return static_cast<unsigned int>(n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2); }
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unsigned int plural3_sl(int n) { return static_cast<unsigned int>(n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n%100==4 ? 2 : 3); }
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unsigned int plural4_ar(int n) { return static_cast<unsigned int>( n==1 ? 0 : n==2 ? 1 : n>=3 && n<=10 ? 2 : 3 ); }
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unsigned int plural4_gd(int n) { return static_cast<unsigned int>( n==1 || n==11) ? 0 : (n==2 || n==12) ? 1 : (n > 2 && n < 20) ? 2 : 3; }
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PluralForms
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PluralForms::from_string(const std::string& str)
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{
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typedef std::unordered_map<std::string, PluralForms> PluralFormsMap;
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static PluralFormsMap plural_forms;
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if (plural_forms.empty())
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{
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// Note that the plural forms here shouldn't contain any spaces
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plural_forms["Plural-Forms:nplurals=1;plural=0;"] = PluralForms(1, plural1);
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plural_forms["Plural-Forms:nplurals=2;plural=(n!=1);"] = PluralForms(2, plural2_1);
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plural_forms["Plural-Forms:nplurals=2;plural=n!=1;"] = PluralForms(2, plural2_1);
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plural_forms["Plural-Forms:nplurals=2;plural=(n>1);"] = PluralForms(2, plural2_2);
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plural_forms["Plural-Forms:nplurals=2;plural=n==1||n%10==1?0:1;"] = PluralForms(2, plural2_mk);
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plural_forms["Plural-Forms:nplurals=3;plural=n%10==1&&n%100!=11?0:n!=0?1:2);"] = PluralForms(2, plural3_lv);
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plural_forms["Plural-Forms:nplurals=3;plural=n==1?0:n==2?1:2;"] = PluralForms(3, plural3_ga);
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plural_forms["Plural-Forms:nplurals=3;plural=(n%10==1&&n%100!=11?0:n%10>=2&&(n%100<10||n%100>=20)?1:2);"] = PluralForms(3, plural3_lt);
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plural_forms["Plural-Forms:nplurals=3;plural=(n%10==1&&n%100!=11?0:n%10>=2&&n%10<=4&&(n%100<10||n%100>=20)?1:2);"] = PluralForms(3, plural3_1);
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plural_forms["Plural-Forms:nplurals=3;plural=(n==1)?0:(n>=2&&n<=4)?1:2;"] = PluralForms(3, plural3_sk);
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plural_forms["Plural-Forms:nplurals=3;plural=(n==1?0:n%10>=2&&n%10<=4&&(n%100<10||n%100>=20)?1:2);"] = PluralForms(3, plural3_pl);
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plural_forms["Plural-Forms:nplurals=3;plural=(n%100==1?0:n%100==2?1:n%100==3||n%100==4?2:3);"] = PluralForms(3, plural3_sl);
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plural_forms["Plural-Forms:nplurals=4;plural=n==1?0:n==2?1:n>=3&&n<=10?2:3;"]=PluralForms(4, plural4_ar);
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plural_forms["Plural-Forms:nplurals=4;plural=(n==1||n==11)?0:(n==2||n==12)?1:(n>2&&n<20)?2:3;"]=PluralForms(4, plural4_gd);
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}
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// Remove spaces from string before lookup
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std::string space_less_str;
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for(std::string::size_type i = 0; i < str.size(); ++i)
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if (!isspace(str[i]))
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space_less_str += str[i];
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PluralFormsMap::const_iterator it= plural_forms.find(space_less_str);
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if (it != plural_forms.end())
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{
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return it->second;
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}
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else
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{
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return PluralForms();
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}
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}
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} // namespace tinygettext
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/* EOF */
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